Single Speed Cassette Kit
Made of aircraft-grade alloy, reverse double guide wheel design to maximize inhibition of chain swing, torsion-type rebound spring to effectively absorb vibration transmitted from bumpy road surfaces during riding, adjustable torque adjuster that can be suitable for a variety of chain lengths.
Torque regulator
Choose the corresponding hole positionaccording to your needs to accommodate Different chain lengths and torques
Double pulley design
More stable structure, so that the chain is not easy to fall off, riding safer.
note(1)
Adjust the bike chain guide center and the cassette center to the same level as possible.
note(2)
The angle of the pulley after installation must not be parallel or below the level of the chain.